Hemoccult, Stool

Container Type

Test ID		LAB694 (if x1) LAB695 (if x3)
EPIC Order		OCCULT BLOOD X1, STOOL or OCCULT BLOOD X3, STOOL
CPT Code(s)		82270 (screening) 82272 (diagnostic)
Laboratory		Core Laboratory
Tube Station		30
Specimen	Routine:	Random Stool in sterile container or On Hemoccult Slide
Stability	Sterile Specimen Container:	Room Temperature: 48 hours 2-8°C Refrigerated: 5 days
	Hemoccult Slide:	Room Temperature: 15 days
Availability	Routine:	24 hours/day
Turnaround Time		2 hours
Reference Range		Negative
Comment		Methodology: Stool specimen is applied to guaiac-resin treated filter paper followed by a developer containing hydrogen peroxide. The heme portion of hemoglobin, when present in the stool specimen, will catalyze the oxidation of alpha guaiaconic acid through peroxidase activity and develop a blue quinone dye compound. Sensitivity: ≥0.3 mg hemoglobin/gram of feces

Reviewed by J. Carr on January 15, 2026

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514